/* ========================================
   u币交易所app下载 - 主样式表
   全球合规持牌运营的加密资产合约交易平台
   配色：深色(#0a0e1c) + u币蓝(#2563eb) + 合规绿(#059669)
         + 合约紫(#7c3aed) + 牌照金(#f59e0b) + 比特币橙(#f97316)
   ======================================== */

/* ---------- CSS Variables ---------- */
:root {
  --bg-primary: #0a0e1c;
  --bg-secondary: #111627;
  --bg-card: #1a1f35;
  --bg-card-hover: #222840;
  --text-primary: #ffffff;
  --text-secondary: #cbd5e1;
  --text-muted: #94a3b8;
  --u-blue: #2563eb;
  --u-blue-light: #3b82f6;
  --u-blue-dark: #1d4ed8;
  --compliance-green: #059669;
  --compliance-green-light: #10b981;
  --contract-purple: #7c3aed;
  --contract-purple-light: #8b5cf6;
  --license-gold: #f59e0b;
  --license-gold-light: #fbbf24;
  --bitcoin-orange: #f97316;
  --border-color: #1e293b;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 8px 48px rgba(0, 0, 0, 0.4);
  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 16px;
  --transition: 0.3s ease;
  --max-width: 1200px;
}

/* ---------- Reset ---------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--u-blue-light);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover {
  color: var(--compliance-green-light);
}

ul, ol {
  list-style: none;
}

/* ---------- Header / Navigation ---------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(10, 14, 28, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-color);
  transition: background var(--transition), box-shadow var(--transition);
}

.site-header.scrolled {
  background: rgba(10, 14, 28, 0.98);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.5);
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.logo {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 8px;
}

.logo .logo-icon {
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, var(--u-blue), var(--contract-purple));
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  color: #fff;
}

.logo span {
  background: linear-gradient(135deg, var(--u-blue-light), var(--compliance-green-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.main-nav ul {
  display: flex;
  gap: 4px;
}

.main-nav a {
  display: block;
  padding: 8px 16px;
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}

.main-nav a:hover,
.main-nav a.active {
  color: var(--text-primary);
  background: rgba(37, 99, 235, 0.15);
}

.main-nav .nav-download {
  background: linear-gradient(135deg, var(--u-blue), var(--contract-purple));
  color: #fff !important;
  padding: 8px 20px;
  border-radius: var(--radius-sm);
  font-weight: 600;
}

.main-nav .nav-download:hover {
  background: linear-gradient(135deg, var(--u-blue-light), var(--contract-purple-light));
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(37, 99, 235, 0.4);
}

/* Hamburger */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  margin: 5px 0;
  transition: var(--transition);
  border-radius: 2px;
}

.menu-toggle.open span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.menu-toggle.open span:nth-child(2) {
  opacity: 0;
}

.menu-toggle.open span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ---------- Hero ---------- */
.hero {
  padding: 140px 20px 100px;
  text-align: center;
  background: radial-gradient(ellipse at 50% 0%, rgba(37, 99, 235, 0.15) 0%, transparent 60%),
              radial-gradient(ellipse at 80% 50%, rgba(124, 58, 237, 0.1) 0%, transparent 50%),
              var(--bg-primary);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="rgba(37,99,235,0.03)" d="M0,160L48,176C96,192,192,224,288,213.3C384,203,480,149,576,138.7C672,128,768,160,864,181.3C960,203,1056,213,1152,197.3C1248,181,1344,139,1392,117.3L1440,96L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"/></svg>') no-repeat bottom;
  background-size: cover;
  pointer-events: none;
}

.hero h1 {
  font-size: clamp(1.8rem, 5vw, 3rem);
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 20px;
  background: linear-gradient(135deg, var(--u-blue-light), var(--compliance-green-light), var(--contract-purple-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  color: var(--text-secondary);
  max-width: 700px;
  margin: 0 auto 36px;
}

.hero-badges {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 36px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 18px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  border-radius: 50px;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.hero-badge.compliance {
  border-color: var(--compliance-green);
  color: var(--compliance-green-light);
}

.hero-badge.contract {
  border-color: var(--contract-purple);
  color: var(--contract-purple-light);
}

.hero-badge.licensed {
  border-color: var(--license-gold);
  color: var(--license-gold-light);
}

.hero-cta {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition);
  border: none;
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--u-blue), var(--contract-purple));
  color: #fff;
  box-shadow: 0 4px 20px rgba(37, 99, 235, 0.35);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--u-blue-light), var(--contract-purple-light));
  transform: translateY(-2px);
  box-shadow: 0 6px 28px rgba(37, 99, 235, 0.5);
  color: #fff;
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.14);
  border-color: var(--u-blue);
  transform: translateY(-2px);
  color: #fff;
}

.btn-green {
  background: linear-gradient(135deg, var(--compliance-green), var(--compliance-green-light));
  color: #fff;
  box-shadow: 0 4px 20px rgba(5, 150, 105, 0.35);
}

.btn-green:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 28px rgba(5, 150, 105, 0.5);
  color: #fff;
}

.btn-gold {
  background: linear-gradient(135deg, var(--license-gold), var(--license-gold-light));
  color: #1a1f35;
  box-shadow: 0 4px 20px rgba(245, 158, 11, 0.35);
}

.btn-gold:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 28px rgba(245, 158, 11, 0.5);
  color: #1a1f35;
}

.cta-pulse {
  animation: ctaPulse 2s ease-in-out infinite;
}

@keyframes ctaPulse {
  0%, 100% { box-shadow: 0 4px 20px rgba(37, 99, 235, 0.35); }
  50% { box-shadow: 0 4px 36px rgba(37, 99, 235, 0.65), 0 0 0 8px rgba(37, 99, 235, 0.08); }
}

/* ---------- Sections ---------- */
.section {
  padding: 80px 20px;
}

.section-dark {
  background: var(--bg-secondary);
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 60px;
}

.section-header h2 {
  font-size: clamp(1.5rem, 3.5vw, 2.2rem);
  font-weight: 700;
  margin-bottom: 14px;
  color: var(--text-primary);
}

.section-header p {
  font-size: 1.05rem;
  color: var(--text-muted);
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
}

/* ---------- Coin Cards Grid ---------- */
.coin-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 20px;
}

.coin-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 28px 24px;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
  cursor: default;
}

.coin-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--u-blue), transparent);
}

.coin-card.bitcoin::before { background: linear-gradient(90deg, var(--bitcoin-orange), transparent); }
.coin-card.ethereum::before { background: linear-gradient(90deg, var(--contract-purple), transparent); }
.coin-card.dogecoin::before { background: linear-gradient(90deg, var(--license-gold), transparent); }
.coin-card.pi::before { background: linear-gradient(90deg, var(--compliance-green), transparent); }
.coin-card.tron::before { background: linear-gradient(90deg, #ef4444, transparent); }
.coin-card.bnb::before { background: linear-gradient(90deg, var(--license-gold-light), transparent); }
.coin-card.okb::before { background: linear-gradient(90deg, var(--u-blue), transparent); }

.coin-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--u-blue);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.coin-card .coin-icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.coin-card .coin-icon.btc { background: rgba(249, 115, 22, 0.2); color: var(--bitcoin-orange); }
.coin-card .coin-icon.eth { background: rgba(124, 58, 237, 0.2); color: var(--contract-purple-light); }
.coin-card .coin-icon.doge { background: rgba(245, 158, 11, 0.2); color: var(--license-gold-light); }
.coin-card .coin-icon.pi { background: rgba(5, 150, 105, 0.2); color: var(--compliance-green-light); }
.coin-card .coin-icon.trx { background: rgba(239, 68, 68, 0.2); color: #ef4444; }
.coin-card .coin-icon.bnb { background: rgba(251, 191, 36, 0.2); color: var(--license-gold-light); }
.coin-card .coin-icon.okb { background: rgba(37, 99, 235, 0.2); color: var(--u-blue-light); }

.coin-card h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 6px;
}

.coin-card .coin-symbol {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.coin-card .coin-price {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--compliance-green-light);
}

.coin-card .coin-change {
  font-size: 0.85rem;
  margin-top: 4px;
}

.coin-card .coin-change.up { color: var(--compliance-green-light); }
.coin-card .coin-change.down { color: #ef4444; }

/* ---------- Advantages ---------- */
.advantages-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
}

.advantage-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 32px 24px;
  transition: all var(--transition);
  text-align: center;
}

.advantage-card:hover {
  border-color: var(--u-blue);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.advantage-icon {
  width: 60px;
  height: 60px;
  margin: 0 auto 20px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
}

.advantage-icon.blue { background: rgba(37, 99, 235, 0.15); color: var(--u-blue-light); }
.advantage-icon.green { background: rgba(5, 150, 105, 0.15); color: var(--compliance-green-light); }
.advantage-icon.purple { background: rgba(124, 58, 237, 0.15); color: var(--contract-purple-light); }
.advantage-icon.gold { background: rgba(245, 158, 11, 0.15); color: var(--license-gold-light); }
.advantage-icon.orange { background: rgba(249, 115, 22, 0.15); color: var(--bitcoin-orange); }

.advantage-card h3 {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 10px;
}

.advantage-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ---------- Compliance Shield ---------- */
.shield-icon {
  display: inline-block;
  animation: shieldPulse 3s ease-in-out infinite;
}

@keyframes shieldPulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.08); opacity: 0.9; }
}

.shield-active {
  animation: shieldGlow 0.6s ease;
}

@keyframes shieldGlow {
  0% { filter: drop-shadow(0 0 0 rgba(5, 150, 105, 0)); }
  100% { filter: drop-shadow(0 0 12px rgba(5, 150, 105, 0.6)); }
}

/* ---------- License Section ---------- */
.license-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 20px;
}

.license-card {
  background: var(--bg-card);
  border: 1px solid var(--license-gold);
  border-radius: var(--radius);
  padding: 24px;
  display: flex;
  align-items: flex-start;
  gap: 16px;
  transition: all var(--transition);
}

.license-card:hover {
  border-color: var(--license-gold-light);
  box-shadow: 0 0 24px rgba(245, 158, 11, 0.15);
  transform: translateY(-2px);
}

.license-badge {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  background: rgba(245, 158, 11, 0.15);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  color: var(--license-gold-light);
}

.license-info h4 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.license-info p {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ---------- CTA Section ---------- */
.cta-section {
  padding: 80px 20px;
  text-align: center;
  background: radial-gradient(ellipse at 50% 50%, rgba(37, 99, 235, 0.12) 0%, transparent 60%),
              var(--bg-secondary);
}

.cta-section h2 {
  font-size: clamp(1.5rem, 3.5vw, 2.2rem);
  font-weight: 700;
  margin-bottom: 14px;
}

.cta-section p {
  color: var(--text-muted);
  margin-bottom: 30px;
  font-size: 1.05rem;
}

.cta-buttons {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* ---------- Footer ---------- */
.site-footer {
  background: #070a16;
  border-top: 1px solid var(--border-color);
  padding: 48px 20px 24px;
}

.footer-grid {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 36px;
  margin-bottom: 36px;
}

.footer-col h4 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--text-primary);
}

.footer-col ul li {
  margin-bottom: 8px;
}

.footer-col ul li a {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.footer-col ul li a:hover {
  color: var(--u-blue-light);
}

.footer-bottom {
  max-width: var(--max-width);
  margin: 0 auto;
  padding-top: 20px;
  border-top: 1px solid var(--border-color);
  text-align: center;
}

.footer-bottom p {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ---------- About Page ---------- */
.about-hero {
  padding: 120px 20px 60px;
  text-align: center;
  background: radial-gradient(ellipse at 50% 0%, rgba(5, 150, 105, 0.1) 0%, transparent 60%), var(--bg-primary);
}

.about-content .text-image-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  margin-bottom: 60px;
}

.about-content .text-image-block.reverse {
  direction: rtl;
}

.about-content .text-image-block.reverse .text-col {
  direction: ltr;
}

.text-col h3 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--text-primary);
}

.text-col p {
  color: var(--text-muted);
  margin-bottom: 12px;
  line-height: 1.8;
}

.timeline {
  position: relative;
  padding-left: 32px;
  border-left: 2px solid var(--border-color);
}

.timeline-item {
  position: relative;
  margin-bottom: 32px;
  padding-left: 24px;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -38px;
  top: 4px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--u-blue);
  border: 2px solid var(--bg-primary);
  box-shadow: 0 0 0 2px var(--u-blue);
}

.timeline-item h4 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.timeline-item span {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ---------- Services Page ---------- */
.services-hero {
  padding: 120px 20px 60px;
  text-align: center;
  background: radial-gradient(ellipse at 50% 0%, rgba(124, 58, 237, 0.1) 0%, transparent 60%), var(--bg-primary);
}

.service-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 24px;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 36px 28px;
  transition: all var(--transition);
}

.service-card:hover {
  border-color: var(--contract-purple);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.service-card .service-icon {
  width: 56px;
  height: 56px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 20px;
}

.service-card .service-icon.blue { background: rgba(37, 99, 235, 0.15); color: var(--u-blue-light); }
.service-card .service-icon.purple { background: rgba(124, 58, 237, 0.15); color: var(--contract-purple-light); }
.service-card .service-icon.green { background: rgba(5, 150, 105, 0.15); color: var(--compliance-green-light); }
.service-card .service-icon.gold { background: rgba(245, 158, 11, 0.15); color: var(--license-gold-light); }
.service-card .service-icon.orange { background: rgba(249, 115, 22, 0.15); color: var(--bitcoin-orange); }

.service-card h3 {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 10px;
}

.service-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 20px;
}

/* ---------- FAQ Page ---------- */
.faq-hero {
  padding: 120px 20px 60px;
  text-align: center;
  background: radial-gradient(ellipse at 50% 0%, rgba(249, 115, 22, 0.08) 0%, transparent 60%), var(--bg-primary);
}

.faq-categories {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

.faq-cat {
  padding: 8px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 50px;
  font-size: 0.85rem;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition);
}

.faq-cat:hover,
.faq-cat.active {
  background: rgba(37, 99, 235, 0.2);
  border-color: var(--u-blue);
  color: var(--u-blue-light);
}

.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-list details {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  margin-bottom: 12px;
  transition: all var(--transition);
}

.faq-list details[open] {
  border-color: var(--u-blue);
  box-shadow: var(--shadow);
}

.faq-list summary {
  padding: 20px 24px;
  font-size: 1.05rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  list-style: none;
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-list summary::after {
  content: '+';
  font-size: 1.4rem;
  color: var(--u-blue-light);
  transition: transform var(--transition);
  flex-shrink: 0;
  margin-left: 16px;
}

.faq-list details[open] summary::after {
  content: '-';
  transform: rotate(180deg);
}

.faq-list .faq-answer {
  padding: 0 24px 20px;
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.8;
}

/* ---------- Contact Page ---------- */
.contact-hero {
  padding: 120px 20px 60px;
  text-align: center;
  background: radial-gradient(ellipse at 50% 0%, rgba(5, 150, 105, 0.08) 0%, transparent 60%), var(--bg-primary);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px 80px;
}

.contact-form {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 36px;
}

.contact-form h3 {
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.contact-form > p {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 28px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: 6px;
  color: var(--text-secondary);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 0.95rem;
  transition: border-color var(--transition);
  font-family: inherit;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--u-blue);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.form-submit {
  width: 100%;
}

.contact-info-side {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.contact-info-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 24px;
  display: flex;
  align-items: flex-start;
  gap: 16px;
  transition: all var(--transition);
}

.contact-info-card:hover {
  border-color: var(--compliance-green);
  transform: translateX(4px);
}

.contact-info-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.contact-info-icon.blue { background: rgba(37, 99, 235, 0.15); color: var(--u-blue-light); }
.contact-info-icon.green { background: rgba(5, 150, 105, 0.15); color: var(--compliance-green-light); }
.contact-info-icon.purple { background: rgba(124, 58, 237, 0.15); color: var(--contract-purple-light); }
.contact-info-icon.gold { background: rgba(245, 158, 11, 0.15); color: var(--license-gold-light); }

.contact-info-content h4 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.contact-info-content p {
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* ---------- Scroll Reveal ---------- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- Back to Top ---------- */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 44px;
  height: 44px;
  background: var(--u-blue);
  color: #fff;
  border: none;
  border-radius: 50%;
  font-size: 1.2rem;
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transition: all var(--transition);
  z-index: 999;
  box-shadow: var(--shadow);
}

.back-to-top:hover {
  background: var(--u-blue-light);
  transform: translateY(-2px);
}

/* ---------- Breadcrumb ---------- */
.breadcrumb {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 20px 20px 0;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.breadcrumb a {
  color: var(--text-muted);
}

.breadcrumb a:hover {
  color: var(--u-blue-light);
}

/* ---------- Stats Row ---------- */
.stats-row {
  display: flex;
  justify-content: center;
  gap: 48px;
  flex-wrap: wrap;
  padding: 40px 20px;
}

.stat-item {
  text-align: center;
}

.stat-number {
  font-size: 2rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--u-blue-light), var(--compliance-green-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-top: 4px;
}

/* ---------- 360 Auto Push ---------- */
.auto-push-placeholder {
  display: none;
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .about-content .text-image-block {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .about-content .text-image-block.reverse {
    direction: ltr;
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}

@media (max-width: 768px) {
  .menu-toggle {
    display: block;
  }

  .main-nav {
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    background: rgba(10, 14, 28, 0.98);
    backdrop-filter: blur(16px);
    padding: 16px;
    clip-path: inset(0 0 100% 0);
    transition: clip-path 0.3s ease;
    border-bottom: 1px solid var(--border-color);
  }

  .main-nav.active {
    clip-path: inset(0 0 0 0);
  }

  .main-nav ul {
    flex-direction: column;
    gap: 2px;
  }

  .main-nav a {
    padding: 12px 16px;
    font-size: 1rem;
  }

  .coin-grid {
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 14px;
  }

  .advantages-grid {
    grid-template-columns: 1fr;
  }

  .service-cards {
    grid-template-columns: 1fr;
  }

  .hero {
    padding: 120px 16px 60px;
  }

  .section {
    padding: 48px 16px;
  }

  .stats-row {
    gap: 24px;
  }

  .stat-number {
    font-size: 1.5rem;
  }

  .license-grid {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 28px;
  }
}

@media (max-width: 480px) {
  .hero-cta {
    flex-direction: column;
    align-items: center;
  }

  .btn {
    width: 100%;
    justify-content: center;
  }

  .hero-badges {
    flex-direction: column;
    align-items: center;
  }

  .cta-buttons {
    flex-direction: column;
    align-items: center;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }

  .faq-categories {
    gap: 8px;
  }

  .faq-cat {
    font-size: 0.8rem;
    padding: 6px 14px;
  }
}